Home / 7,939.72-11,907.30-3,008.04

Finding the Fourth Proportional to 7,939.72, 11,907.30 and 3,008.04

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Solution

The fourth proportional to 7,939.72, 11,907.30 and 3,008.04 is: 4,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.72 : 11,907.30 = 3,008.04 : x
  2. Step 2: Convert to fraction form
    7,939.72/11,907.30 = 3,008.04/x
  3. Step 3: Cross multiply
    7,939.72x = 11,907.30 × 3,008.04
  4. Step 4: Simplify right side
    7,939.72x = 35,817,601.32
  5. Step 5: Solve for x
    x = 35,817,601.32/7,939.72
  6. Step 6: Final answer
    x = 4,511.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.